package com;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.bean.User;
import org.apache.hadoop.hbase.regionserver.IncreasingToUpperBoundRegionSplitPolicy;

import java.util.HashMap;
import java.util.Map;

/**
 * @author gufg
 * @since 2025-09-30 14:13
 */

public class intct {

    public static void test() {
        System.out.println("dddddd");
    }

    public static void main(String[] args) {

//        Map<String, String> map = new HashMap<>();
//        map.put("1", "1001");
//        map.put("2", "1002");
//        map.put("3", "1003");
//        map.put("4", "1004");
//        map.put("5", "1005");
//        map.put("6", "1006");
//
//
////        for (Map.Entry<String, String> entry : map.entrySet()) {
////            String key = entry.getKey();
////            String value = entry.getValue();
////            System.out.println("key = " + key + " ; value = " + value);
////        }
//
//
//        //JSONObject jsonObject = (JSONObject)JSON.toJSON(map);
////        JSONObject jsonObject = JSON.parseObject(JSON.toJSONString(map));
////
////        System.out.println(jsonObject);
//
//        User user = new User();
//        System.out.println(user);
//
//        Integer i = 0;
        String  tmp = "abcdefg";
        System.out.println(tmp.substring(2, 0));
    }
}
